1626142263604 has 24 divisors (see below), whose sum is σ = 2971085217408. Its totient is φ = 777299059680.

The previous prime is 1626142263541. The next prime is 1626142263617. The reversal of 1626142263604 is 4063622416261.

It is a super-2 number, since 2×1626142263604² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4614987 + ... + 4954834.

It is an arithmetic number, because the mean of its divisors is an integer number (123795217392).

Almost surely, 2^{1626142263604} is an apocalyptic number.

It is an amenable number.

1626142263604 is a deficient number, since it is larger than the sum of its proper divisors (1344942953804).

1626142263604 is a wasteful number, since it uses less digits than its factorization.

1626142263604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571695 (or 9571693 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

Adding to 1626142263604 its reverse (4063622416261), we get a palindrome (5689764679865).

The spelling of 1626142263604 in words is "one trillion, six hundred twenty-six billion, one hundred forty-two million, two hundred sixty-three thousand, six hundred four".